diff options
| author | Bryan Venteicher <bryanv@FreeBSD.org> | 2014-01-13 04:43:01 +0000 |
|---|---|---|
| committer | Bryan Venteicher <bryanv@FreeBSD.org> | 2014-01-13 04:43:01 +0000 |
| commit | ee11ec343719f905164f2847d65a6667a08dd5e9 (patch) | |
| tree | 8bd08a90eee0b2cd8b3e29f5a7373ede02e64dd6 /sys/dev/virtio/block | |
| parent | fb6c25186b7436ae3946bbc5abbcc7a294ae0af4 (diff) | |
Notes
Diffstat (limited to 'sys/dev/virtio/block')
| -rw-r--r-- | sys/dev/virtio/block/virtio_blk.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/dev/virtio/block/virtio_blk.c b/sys/dev/virtio/block/virtio_blk.c index 5219a3843ad3..41804a6b3b25 100644 --- a/sys/dev/virtio/block/virtio_blk.c +++ b/sys/dev/virtio/block/virtio_blk.c @@ -726,7 +726,7 @@ vtblk_alloc_disk(struct vtblk_softc *sc, struct virtio_blk_config *blkcfg) dp->d_name = VTBLK_DISK_NAME; dp->d_unit = device_get_unit(dev); dp->d_drv1 = sc; - dp->d_flags = DISKFLAG_CANFLUSHCACHE; + dp->d_flags = DISKFLAG_CANFLUSHCACHE | DISKFLAG_UNMAPPED_BIO; dp->d_hba_vendor = virtio_get_vendor(dev); dp->d_hba_device = virtio_get_device(dev); dp->d_hba_subvendor = virtio_get_subvendor(dev); @@ -931,10 +931,11 @@ vtblk_execute_request(struct vtblk_softc *sc, struct vtblk_request *req) sglist_append(sg, &req->vbr_hdr, sizeof(struct virtio_blk_outhdr)); if (bp->bio_cmd == BIO_READ || bp->bio_cmd == BIO_WRITE) { - error = sglist_append(sg, bp->bio_data, bp->bio_bcount); - if (error || sg->sg_nseg == sg->sg_maxseg) + error = sglist_append_bio(sg, bp); + if (error || sg->sg_nseg == sg->sg_maxseg) { panic("%s: data buffer too big bio:%p error:%d", __func__, bp, error); + } /* BIO_READ means the host writes into our buffer. */ if (bp->bio_cmd == BIO_READ) |